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Burr-Brown Corporation - 12-Bit 800kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER

Numéro de référence ADS7810
Description 12-Bit 800kHz Sampling CMOS ANALOG-to-DIGITAL CONVERTER
Fabricant Burr-Brown Corporation 
Logo Burr-Brown Corporation 





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ADS7810 fiche technique
®
ADS7810
ADS7810
12-Bit 800kHz Sampling CMOS
ANALOG-to-DIGITAL CONVERTER
FEATURES
q 1.25µs THROUGHPUT TIME
q STANDARD ±10V INPUT RANGE
q 69dB min SINAD WITH 250kHz INPUT
q ±3/4 LSB max INL AND ±1 LSB max DNL
q INTERNAL REFERENCE
q COMPLETE WITH S/H, REF, CLOCK, ETC.
q PARALLEL DATA w/LATCHES
q 28-PIN SOIC
DESCRIPTION
The ADS7810 is a complete 12-bit sampling A/D
using state-of-the-art CMOS structures. It contains a
complete 12-bit capacitor-based SAR A/D with inher-
ent S/H, reference, clock, interface for microprocessor
use, and three-state output drivers.
The ADS7810 is specified at an 800kHz sampling
rate, and guaranteed over the full temperature range.
Laser-trimmed scaling resistors provide the industry-
standard ±10V input range, while an innovative design
allows operation from ±5V supplies.
The 28-pin ADS7810 is available in a plastic SOIC
fully specified for operation over the industrial –40°C
to +85°C range.
Clock
Successive Approximation Register and Control Logic
2450
±10V Input
625
Cap
CDAC
Comparator
Output
Latches
and
Three
State
Drivers
BUSY
Three
State
Parallel
Data
Bus
18k
Buffer
2.5V Ref Out/In
4.8k
8.6k
Internal
Ref
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1992 Burr-Brown Corporation
PDS-1138E
Printed in U.S.A. March, 1998

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